/**
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements.  See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with the License.  You may obtain
 * a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package org.apache.zookeeper.server.upgrade;

import org.apache.zookeeper.server.DataTree;

import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;

/**
 * interface for snapshot conversion.
 *
 */
public interface UpgradeSnapShot {
    DataTree getNewDataTree() throws IOException;

    ConcurrentHashMap<Long, Integer> getSessionWithTimeOuts();
}
